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circadian

/sɜːˈkeɪdiən/adjective

उच्चारण सर्केडिअन

दैनिक लय-संबंधी, अहोरात्रि

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SSC CGL Pre 2025
adjective
  1. 1

    [only before noun] technical

    connected with the changes in the bodies of people or animals over each period of 24 hours

    दैनिक लय-संबंधी, अहोरात्रि

    • circadian rhythm
    • Travelling across time zones disturbs the body's circadian rhythm and causes tiredness.
    • A circadian clock controls when we feel sleepy.
    + 2 more examples
    • Night shifts can upset the body's circadian cycle.
    • Scientists study circadian patterns in plants as well.

    Synonyms daily diurnal 24-hour

≈Synonyms and antonyms

Synonyms

daily diurnal 24-hour

AaSpelling

cir·ca·di·an

?Which word?

Keep the time-of-day words together: circadian (24-hour), diurnal (active during the day), nocturnal (active at night, like owls), crepuscular (active at dawn and dusk).

दिन के समय के शब्द साथ याद रखिए: circadian (24 घंटे का), diurnal (दिन में सक्रिय), nocturnal (रात में सक्रिय, उल्लू की तरह), crepuscular (भोर और संध्या में सक्रिय)।

✓In the exam

General knowledge

Science: the circadian rhythm is the body's 24-hour clock that controls sleep and waking; it is affected by light; the hormone melatonin, made in the pineal gland, helps control sleep.

विज्ञान में circadian rhythm शरीर की 24 घंटे की घड़ी है जो नींद और जागना नियंत्रित करती है; यह प्रकाश से प्रभावित होती है; pineal ग्रंथि में बनने वाला हॉर्मोन melatonin नींद नियंत्रित करने में मदद करता है।